IEICE Trans - Improvement of Blind/Group-Blind Multiuser Detectors Based on CM Iteration


Improvement of Blind/Group-Blind Multiuser Detectors Based on CM Iteration

Seungjae BAHNG
Seokjoo SHIN
Anders HØST-MADSEN

Publication
IEICE TRANSACTIONS on Communications   Vol.E88-B    No.7    pp.3062-3064
Publication Date: 2005/07/01
Online ISSN: 
DOI: 10.1093/ietcom/e88-b.7.3062
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
blind/group-blind multi-user detection,  CM tuning,  

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Summary: 
We propose an iterative tuning process of blind/group-blind detector based on constant modulus property of digitally modulated signal. By adopting the iterative tuning process after applying blind/group-blind detectors, significant gains are attained compared to the original blind/group-blind detectors. The signal to interference and noise ratio (SINR) approaches to ideal MMSE detector even with reasonably small number of data samples.